Abstract
The authors have developed the Activity Accounting Technique for predicting far field noise levels due to operation of specific set of mining machinery. The technique is based on the breaking down of the mining operations into a number of activities and establishing their duration and average location. By estimating the noise levels due to these activities, the overall noise field near a surface mine can be predicted. Experiments were undertaken at a quarry to validate the model developed based on this technique. Results of these experiments are discussed in this paper. The Activity Accounting Technique has the scope of elaborate application for prediction of environmental noise near mining sites. In a system where the activities involved and their duration can be estimated one can develop a noise quality prediction model based on near field spectrum of the sound pressure levels due to the activities. However, this method will be more useful if an acoustic database can be evolved for all the possible activities for different alternative equipment system.
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Pathak, K., Durucan, S. & Kunimatsu, S. Activity Accounting Technique for Environmental Noise Assessment in Mechanized Surface Mining. Environ Monit Assess 56, 241–256 (1999). https://doi.org/10.1023/A:1005907720627
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DOI: https://doi.org/10.1023/A:1005907720627